Home / 16,945.65-23,384.66-9,391.93

Finding the Fourth Proportional to 16,945.65, 23,384.66 and 9,391.93

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Solution

The fourth proportional to 16,945.65, 23,384.66 and 9,391.93 is: 12,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.65 : 23,384.66 = 9,391.93 : x
  2. Step 2: Convert to fraction form
    16,945.65/23,384.66 = 9,391.93/x
  3. Step 3: Cross multiply
    16,945.65x = 23,384.66 × 9,391.93
  4. Step 4: Simplify right side
    16,945.65x = 219,626,984.37
  5. Step 5: Solve for x
    x = 219,626,984.37/16,945.65
  6. Step 6: Final answer
    x = 12,960.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.